=calendar(!head_color, !box_color, !box_font_color)
  :margin-bottom 0
  th.month
    :text-transform uppercase
    :color = !head_color
    :background none
  th
    :text-transform capitalize
    :color = !box_font_color
    :background-color = !box_color
  td
    :text-align center
    :font-weight bold
    &.entry
      :background-color = !box_color

